$146 Find Cheap Flights from Washington Dulles Airport to Portland - Compare and Save

Among airlines operating Washington, D.C. Dulles Intl Airport to Portland flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Washington, D.C. Dulles Intl Airport and Portland.

Flights from Washington, D.C. Dulles Intl Airport to Portland usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Portland (PWM).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Portland:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $278 round-trip via New York John F Kennedy Intl (JFK), compared to $363 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

One-stop flights from Washington, D.C. Dulles Intl Airport to Portland most commonly connect through:

• New York John F Kennedy Intl (JFK) - 78% of one-stop connections
• Charlotte Douglas (CLT) - 11% of one-stop connections
• Newark (EWR) - 11% of one-stop connections

New York John F Kennedy Intl (JFK) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 22% on the Washington, D.C. Dulles Intl Airport to Portland route. Tuesday is the cheapest departure day at $326 round-trip on average, while Sunday is the most expensive at $415, a difference of $89. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Washington, D.C. Dulles Intl Airport to Portland flights, with 25% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 25%, and night flights for 25%.

These are the earliest and latest flight times available from Washington, D.C. Dulles Intl Airport to Portland:

• Earliest: departs at 8:18 am and lands at 10:06 am
• Latest: departs at 10:13 pm and lands at 12:01 am.

The flight takes about 1h 48m.

Last-minute fares on this route - booked within 2 weeks of departure - run 14% above the route average of $363. Book 26 weeks before departure for the lowest fares.

A nonstop flight from Washington, D.C. Dulles Intl Airport to Portland takes 1h 48m, covering 492 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $286 to $1,941. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from Washington, D.C. Dulles Intl Airport to Portland are currently lower than usual. Average one-way flight prices are about $158, which is 42% below the typical average for this route.

Flying via New York John F Kennedy Intl (JFK) gives the shortest average 1-stop total travel time at 4h 24m, compared with 4h 30m via Newark (EWR) and 5h 35m via Charlotte Douglas (CLT).

Portland Airport (PWM) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
• Dollar
• Budget
• Alamo
• Hertz
• Movly

Round-trip flights from Washington, D.C. Dulles Intl Airport to Portland range from $285 to $478, with an average of $363 over the past 12 months. Anything below $285 counts as a good deal.